Finding the Fourth Proportional to 11,397,104.97, 15,728,008.67 and 6,240,793.17
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Solution
The fourth proportional to 11,397,104.97, 15,728,008.67 and 6,240,793.17 is: 8,612,296.66
Step by Step Solution
- Step 1: Write the proportion equation
11,397,104.97 : 15,728,008.67 = 6,240,793.17 : x - Step 2: Convert to fraction form
11,397,104.97/15,728,008.67 = 6,240,793.17/x - Step 3: Cross multiply
11,397,104.97x = 15,728,008.67 × 6,240,793.17 - Step 4: Simplify right side
11,397,104.97x = 98,155,249,054,232.81 - Step 5: Solve for x
x = 98,155,249,054,232.81/11,397,104.97 - Step 6: Final answer
x = 8,612,296.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.